The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2022
Filed:
Jun. 05, 2020
Applicant:
Stmicroelectronics (Rousset) Sas, Rousset, FR;
Inventor:
Fabrice Marinet, Chateauneuf le Rouge, FR;
Assignee:
STMICROELECTRONICS (ROUSSET) SAS, Rousset, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/06 (2006.01); G06F 21/72 (2013.01); G06F 9/448 (2018.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
G06F 21/72 (2013.01); B41J 2/17546 (2013.01); G06F 9/4498 (2018.02); H04L 9/0631 (2013.01);
Abstract
An electronic circuit includes an interface, a read-only memory in which encrypted data are stored, and cryptographic circuitry coupled to the interface. In operation, the cryptographic circuitry uses a decryption key received via the interface to decrypt the encrypted data. The electronic circuit performs one or more operations using the decrypted data.